new
HEADS UP: <utmp.h> gone. All welcome <utmpx.h>
#define MAXLOGNAME 33 /* max login name length (incl. NUL) */
old
Username length 16
Username longer than 16 characters
Username length restriction in FreeBSD.
Linux/Unix username length limit
HEADS UP: <utmp.h> gone. All welcome <utmpx.h>
#define MAXLOGNAME 33 /* max login name length (incl. NUL) */
Username length 16
Username longer than 16 characters
Username length restriction in FreeBSD.
Linux/Unix username length limit